Phonograph-horn.



PATENTED FEB. 19, 1907.

A. MAURER.

PHONOGRAPH HORN.

APPLIGATIOK FILED MAY 22. 1906.

2 SHEETS-SHEET 1.

INVENTOR'. H s'lqar Maura? W MCAATTORNE-YSI.

YPATENTED FEB. 19, 1907.

A. MAURER. PHONOGRAPH HORN.

APPLIQATIQN FILED MAY 22, 1906- 2 ename -sum 2.

INVENTQR': H sh arm aura? BY F Cf/V QLM Q UNITED STATES PATENT OFFICE.

l ASHER MAURER, OF NEWARK, NEW JERSEY.

PHONOGRAPH-HORN- To an w/wm u, may cbgwcrn:

zen of the United States, residing at Newark, in the county ofEssexmmd State of New Jersey, have invented cent: n new and useful Imrovements in Plionograph-l lorns: and I do iereby declare the following to be a full, clear, and exact description of the invention, such as: will enable others skilled in the art to which it .appertains to make and use the same, reference being had to the accompanying-drawjngs, and to'letters of reference marked thereon, which form a part of this specification, 1

Thisinventioir'relates generally to improvements in amplifying-horns for phonographs and similar sound-reproducing ma: chines; and the present invention relates more particularly to a novel construction of horn comprising a number of collapsible horn-sections which can be nested one within the other to produce a very small package for carrying purposes, but which sections can be brought in an extended relation to produce a horn of the ordinary conformation ready for use? To accomplish this main purpose of the present invention, the horn-sec-- tions are provided with binding means or friction devices arranged on one horn-section and adapted to engage with portions of another horn-section, whereby the parts are brought in positive holding engagement to provide 'a rigid horn.

This invention, therefore, has for its principal object to provide a phonograph-horn of the general character hereinafter more fully described, and, furthermore, to provide a collapsible amplifying-horn the horn-sections of which may be quickly brought into their extended a'ndrigidly-connected relation to produce a horn ready for use, but' which can be just as uickly separated, so as to be brought into their nested relation, to provide a ackage of very small size.

Other 0 jects of this invention not at this time more particularly mentioned will be clearly understood from the following detailed description of the same.

With the various objects of my present invention in view the said invention consists in the amplifying-horn hereinafter set forth;

Specification of Letters Patent. Application filed May 22, 1906- Serial No. 318,319.

' different sizes of the horns.

I F clauses of the claim which are appended to Be 1t known that I, AsImaMAL'aEn, a eiti- Patented Feb. 19,1907.

and which form an essential part of this specification. p

The invention is clearly illustrated inthe accon'lpanying drawings, in which-- Figure l is a side elevation of a horn embodying the principles of thepresentinvention, the horn-sections being shown in their extended and rigidlyconnected relation. Fig. 2 is a similar view of'the horn, showing the horn-sections in their colla sed or nested reployedk in .all of the said above-described.

views to indicate corresponding parts.

Referring now to the said drawings, the

reference character 1 indicates the complete horn, the same 111 the present construction comprising a number of colla sible liornesecs tions'2, 3, 4, 5, 6, and 7, six 0 such horn-sections being shown inthe presentconstruction; but it will be evident that more or less horn-sections may be used according to the horn-sections being made from sheet metal and in the shapes of .hollow truncated cones, which are adapted to be arranged in a nested manner one within the other substantially as shown in Fig. 2 of the drawings, are each provided at or near their smaller end or tions with an outwardly-extending bead 8. forming upon the interior of each section an annular receiving depression 9, as'clearly illustrated in Figs. 3, 4, and 5 of the drawings.

Suitably secured upon the inner surface and extending from the larger open end portion of each horn-section are suitably-con- The said several structed holding or-clamping devices 10,

preferably made from spring metal and res formed at their free end portions with curved" retaining portions 11, substantially as shown, which are adapted to be slipped into the annular receiving depression of the next adv I I O 'acent horn-section and in this manner, there eing at least two or more of such clamping devices, positively retaining the several hom isectlon's in their extended and rigidly-conbinding engagement with the annular renected relations, as will be clearly understood and aswill be evident more part-icularly from an lnspectlon of Fig. 4 of the drawmgs. Thus when the several horn-sections have been brought into their extended reladrawings,) then the horn can be used upon the phonograph or other similar sound-producing apparatus in the usual manner; tint when removed from the machine, then by a slight pressure upon the smallest end section, as 2, the several horn-sections are read- 11y brought into their disconnected relation, so as to become nested one within the other. Just as easily the several horn-sections are brought into their extended and connected relations by simply taking hold of the smallest end section and by a sudden pull raising the several sections from their nested positions (shown in Fig. 2) to their fixed and extended relations, (illustrated in Figs.v 1 and 4,) all the holding or clamping devices being sprung into'the annular depressions of the respectivehorn-sectionsto connect the several sections in their operative relations, and thereby producing the complete horn.

" -To provide additional strength and to pre- T Front the distortion of the h0I11S90tlOIlS, each "section may be provided with a reinforcing head or projection 12, as shown.

From the foregoing description it will be seen that I have provided a horn for phonoaphs and similar apparatus which is usei dl and can be made very small, so as to be carried about Without inconvenience.

1. A phonograph-horn comprising a series of collapsible horn-sections adapted to be 0 nested when the horn is not in use, and a se- 1 ties of spring-clamps extending trom and beyond the one open end of each section and projecting into the open end of another section each spring device being adapted to glide longitudinally of the horn in frictional striding engagement with such section, all

arranged for rigidly locking the said hornsections when extended plete horn.

2. A phonograph-horn comprising a series of collapsible horn-sections adapted to be nested when the horn is not in use, an annu- 5 lar receiving depression near one end of each horn-section, and means connected with the to produce a com- Y ;ceiving depression for rigidly lbcking the horn-sections when extended to produce a complete born 3. A phonograph horn comprising a series I I of collapsible horn-sections adapted to be tlon, (shown 1n sald Figs. 1.,3, and 4 of the 1 'with the opposite end of each horn-section and curved rel aming portions on said clamping devices, said retaining port-ions extending from the/end of the horn-section and being adapted to extend into the open end of an; other section and to slide longitudinally of the horn so as to be'brought in binding engagement with the annular receiving depressions for rigidly locking the horn-sections 'when extended to produce a complete horn.

4. A. pho11ograpl1-horn comprising a series of tapered tubular horn-sections, adapted to be nested when the horn is not in use, an annular reinforcing projection. near one end oi" each horn-section. and an annular receiving depression near the other end of each hornsection, and means connected with the opposite end of each horn-section adapted to extend into the open end of another section and to slide longitudinally of the horn so as to be brought in binding engagement with the annular receiving depressions for rigidly locking the horn-sections when extended to produce a complete horn.

5. A phonograph-horn comprising aseries of tapered tubular horn-sections adapted to be nested when the horn is not in use, an annular reinitorcing projection near one end of each horn-section, and an annular receiving depression near the other end of each hornsection, clamping devices connected with the opposite end of each hornsection and curved retaining portions on said clamping devices, said retaining portions extending from the end of the horn-section and being adapted to extend into the open end of another scction and to slide longitudinally of the horn so as to be ln'ought in binding engagement with the annular receiving depressions for rigidly locking the horn-sections when. extended to produce a complete horn. 1

opposite end of each horn-section, said means extending from the open end of the hornsection and'being adapted to extend into the open end of another sect10n and to slide longitudinally of the horn so as to be brought in In testimonvthat I claim the invention set forth above 1 have hereunto set my hand this 15th day of May, 1006.

ASHER MAURER.

Witnesses:

FREDK. C. Fnxnx'rzicil, SoLonoN FARE. 

